Enclosure device

ABSTRACT

In one embodiment of an enclosure device, a camera casing and light source casing are secured to a plate frame, and the enclosure device is configured to be mounted to an arm, such as a robotic welding arm. A shutter mounting arm may also be secured to the plate frame. A flap may be pivotally mounted to the distal end of the shutter mounting arm, such that the flap may be actuated between a first and second position by an actuator cooperatively engaged with the flap. The first position may be defined as to protect a camera lens positioned in the camera casing and a light source lens positioned in the light source casing. The second position may be defined as to not obscure a line-of-sight from either the light source and/or the camera to the work piece on the arm.

CROSS REFERENCE TO RELATED APPLICATIONS

This application claims priority under 35 U.S.C. §119(e) of provisional U.S. Pat. App. Ser. No. 61/273,268 filed on Aug. 3, 2009, which is incorporated by reference herein in its entirety.

FIELD OF INVENTION

The present invention relates to an enclosure device for protecting items positioned within the device, and more specifically, to an enclosure device for a camera and light source, wherein the enclosure device includes a shutter.

STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT

No federal funds were used to develop or create the invention disclosed and described in the patent application.

REFERENCE TO SEQUENCE LISTING, A TABLE, OR A COMPUTER PROGRAM LISTING COMPACT DISK APPENDIX

Not Applicable

BRIEF DESCRIPTION OF THE FIGURES

In order that the advantages of the invention will be readily understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments illustrated in the appended drawings. Understanding that these drawings depict only typical embodiments of the invention and are not therefore to be considered limited of its scope, the invention will be described and explained with additional specificity and detail through the use of the accompanying drawings.

FIG. 1 is a perspective view of one embodiment of the enclosure device with the shutter closed.

FIG. 2 is a perspective view of one embodiment of the enclosure device with the shutter open.

FIG. 3A is a front plane view of one embodiment of the enclosure device with the shutter open.

FIG. 3B is a rear plane view of one embodiment of the enclosure device.

FIG. 4 is a perspective view of one embodiment of the enclosure device mounted to an arm, wherein the shutter is open.

FIG. 5 is a perspective view of one embodiment of the enclosure device with the camera and light source casings and camera and light source removed for clarity.

FIG. 6 is a detailed exploded view of one embodiment of the shutter mechanism.

DETAILED DESCRIPTION Listing of Elements

ELEMENT DESCRIPTION ELEMENT # Enclosure Device 10 Arm 12 Weld tip 14 Screw 16 Camera casing 20 Camera 22 Camera lens 23 Sealing cap 24 Sealing cap aperture 24a Light source casing 30 Light source 32 Light source lens 33 Flange 34 Shutter mechanism 40 Flap 42 Flap slot 42a Translator 44 Flap connector 44a Actuator connector 44b Mounting arm connector 44c Connector block 46 Connector pin 48 Actuator 50 Actuator body 52 Actuator arm 54 Actuator base 56 Fluid port 58 Plate frame 60 Actuator aperture 61 Casing aperture 62 Actuator mount 63 Rear block 64 Adaptor plate 66 Shutter mounting arm 68 Translator pivot 68a

DETAILED DESCRIPTION

Before the various embodiments of the present invention are explained in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that phraseology and terminology used herein with reference to device or element orientation (such as, for example, terms like “front”, “back”, “up”, “down”, “top”, “bottom”, and the like) are only used to simplify description of the present invention, and do not alone indicate or imply that the device or element referred to must have a particular orientation. In addition, terms such as “first”, “second”, and “third” are used herein and in the appended claims for purposes of description and are not intended to indicate or imply relative importance or significance.

Referring now to the drawings, wherein like reference numerals designate identical or corresponding parts throughout the several views, FIG. 1 provides a perspective view of one embodiment of an enclosure device 10 with the flap 42 in the closed position. Generally, the enclosure device 10 allows a user to protect a camera and/or camera lens 23 from damage during welding or other operations performed by a work piece adjacent the distal end of an arm 12, which operations may be performed on any piece of material. One embodiment of the enclosure device 10 affixed to an arm 12 with a weld tip 14 thereon is shown in FIG. 4. Although the illustrative embodiments of the enclosure device 10 are specifically adapted for use with welding, other embodiments may be adapted for sue with arms 12 performing other functions, including but not limited to drilling, boring, cutting, and/or combinations thereof. Accordingly, the scope of the enclosure device 10 is not limited by the type of work the arm 12 performs. Additionally, the enclosure device 10 may be mounted on structures other than arms 12 without limitation.

As shown in FIGS. 1 and 2, the illustrative embodiment of the enclosure device 10 includes a camera casing 20 and a light source casing 30, which are oriented parallel with respect to one another. The camera casing 20 and light source casing 30 are configured to be parallel to provide the enclosure device 10 with a lower profile. In the illustrative embodiment, the casings 20, 30 are virtually identical, but in other embodiments the casings 20, 30 may have differing dimensions, configurations, and/or orientations (with respect to one another or with respect to those shown in the illustrative embodiment) without departing from the spirit and scope of the enclosure device 10. Either casing 20, 30 may be constructed of several pieces that are later joined to one another.

A camera lens 23 may be mounted in the end of the camera casing 20 adjacent the flap 42. A light source lens 33 may be mounted in the end of the light source casing 30 adjacent the flap 42. Both the camera lens 23 and light source lens 33 may be transparent such that a camera 22 may be positioned in the camera casing 20, and a light source 32 may be positioned in the light source casing 30. The lens 23, 33 may be formed from glass, polymer materials, or any other suitable material without limitation.

A sealing cap 24 may be positioned on the end of each casing 20, 30 opposite the flap 42. The sealing cap 24 may be formed with a sealing cap aperture 24 a therein. The sealing cap serves to hermetically seal the interior of the casings 20, 30, while the sealing cap aperture 24 a provides an inlet/outlet for various conduits from the exterior environment to the interior of the casings 20, 30. Such conduits include but are not limited to electrical conduit to provide power to the camera 22 and/or light source 32, information conduits to relay information from the camera 32 to an external location, and pressurized fluid conduits that may be used to deliver a cooled, pressurized fluid stream to the interior of the casings 20, 30. It is contemplated that most applications for the enclosure device 10 will require sealing caps 24 having sealing cap apertures 24 a that hermetically seal the interior of the casings 20, 30 from the exterior environment.

A detailed view of the support structure for the illustrative embodiment of the enclosure device 10 is shown in FIG. 5. As shown, the plate frame 60 in the illustrative embodiment is formed with two casing apertures 62 therein. The casing apertures 62 are configured to accept one of the two casings 20, 30 previously described. In the illustrative embodiment, a flange 34 on each casing 20, 30 abuts the respective casing aperture 62, and screws are used to affix the flange 34 to the plate frame. However, each casing 20, 30 may be secured to the plate frame 60 using any suitable structure and/or method, including but not limited to chemical adhesives, welding, rivets, pins, screws, and/or combinations thereof, and flanges 34 may not be necessary in other embodiments. An actuator aperture 61 may also be positioned in the plate frame 60, which is show oriented between the two casing apertures 62 in the illustrative embodiment.

A shutter mounting arm 68 may be affixed to one face of the plate frame 60, and an adaptor plate 66 may be affixed to the opposite face thereof using any suitable method and/or structure. The shutter mounting arm 68 is configured to extend out from the plate frame 60, and may be configured with a translator pivot 68 a at the distal end of the shutter mounting arm 68. In the illustrative embodiment, the translator pivot 68 a is simply configured as vertical groove into which the mounting arm connector 44 c may fit, which is described in detail below. A rear block 64 may be affixed to the face of the adaptor plate 66 opposite the plate frame 60 using any method and/or structure suitable for the particular application of the enclosure device 10. An actuator mount 63 may be affixed to the top side of the rear block 64 as oriented in FIG. 5 using any method and/or structure suitable for the application.

As best shown in FIG. 6, a translator 44 may be pivotally engaged with the shutter mounting arm 68 at the translator pivot 68 a. In the illustrative embodiment of the enclosure device 10 this pivotal engagement is achieved through a tongue-and-groove arrangement, wherein the mounting arm connector 44 c functions as the tongue, wherein a pin extends through the translator pivot 68 a and the mounting arm connector 44 c.

The translator 44 may also be formed with a flap connector 44 a. The flap connector 44 a may be configured to pass through a flap slot 42 a formed in the flap 42, as best shown in FIG. 6. In the illustrative embodiment, the translator 44 is secured to the flap 42 via two connector blocks 46 positioned on either side of the flap slot 42 a and a connector pin 48 passing through an aperture in each connector block 46 and another aperture in the flap connector 44 a. Accordingly, mechanical forces placed upon the translator 44 may be directly communicated to the flap 42. In the illustrative embodiment, the connector blocks 46 are affixed to the flap 42 via a plurality of screws 16, but any suitable method and/or structure may be used without departing from the spirit and scope of the enclosure device 10. This arrangement allows the flap 42 to be replaced simply by removing the connector pin 48. Accordingly, as the flap 42 becomes damaged and/or worn due to use, it may be changed using minimal effort.

The translator may be formed with an actuator connector 44 b opposite the flap connector 44 a, which is best shown in FIG. 6. The actuator connector 44 b is configured in a manner similar to that of the flap connector 44 a and mounting arm connector 44 c. The actuator connector 44 b provides a pivotal connection point between the actuator 50 and the translator 44. The actuator connector 44 b may be configured to fit within a groove formed on the actuator arm 54 to create a tongue-and-groove arrangement similar to that previously described for the mounting arm connector 44 c and translator pivot 68 a.

The actuator body 52 may be secured to an actuator base 56, as shown in FIGS. 5 & 6. In turn, the actuator base 56 may be secured to the actuator mount 63 described above. Using an actuator base 56 simplifies the removal and/or replacement of the actuator 50, but other embodiments of the enclosure device 10 do not employ an actuator base 56. The actuator 50 may be configured such that the actuator body 52 passes through the actuator aperture 61 formed in the plate frame 60. If the actuator 50 is operated via pressurized fluid, as shown for the illustrative embodiment, one or more fluid ports 58 may be positioned on the actuator body 52. However, electrical actuators 50 will not require fluid ports 58.

As will be apparent in light of the preceding description and figures, the actuator 50 causes the flap 42 to move between first and second positions. FIG. 1 shows the flap 42 in a first position, wherein the flap 42 is closed (i.e., positioned immediately adjacent the camera lens 23 and light source lens 33). It is contemplated that the flap 42 will be so positioned when there is a high probability the work performed by the arm 12 may damage the camera lens 23 and/or light source lens 33. FIG. 2 shown the flap 42 in a second position, wherein the flap 42 is open (i.e., positioned away from the camera lens 23 and light source lens 33). It is contemplated that the flap 42 will be in the second position when there is a low probability that the work performed by the arm 12 may damage the camera lens 23 and/or light source lens 33.

The inside surface of the flap 42 (i.e., the surface that abuts the camera lens 23 and/or light source lens 33 when the flap 42 is closed) may be configured with one or more cushions and/or seals. The cushions and/or seals may be configured to provide a tighter seal between the portion of the casings 20, 30 adjacent the flap 42 and/or to protect the camera lens 23 and/or light source lens 33 during actuation of the flap 42 from the second position to the first position. Alternatively, the casings 20, 30 may be configured with cushions and/or seals adjacent the periphery of the camera lens 23 and/or light source lens 33 to fulfill a similar function.

In another embodiment of the enclosure device 10 not pictured herein, the enclosure device 10 includes two flaps 42, wherein a first flap 42 is positioned adjacent the camera casing 20 and a second flap 42 is positioned the light source casing 30. Each flap 42 is operatively engaged with an actuator 50, such that either flap 42 may be actuated between a first and second position independently from the other flap 42. Such an embodiment may be configured in a manner similar to that shown for the illustrative embodiment of the enclosure device 10, wherein both actuators are parallel with the shutter mounting arm. Furthermore, the flap 42, translator 44, and connector blocks 46 are but one of an infinite number of shutter mechanisms 40, and variations and/or modifications of the illustrative embodiment of the enclosure device 10 will occur to those skilled in the art without departing from the spirit and scope thereof.

The shutter mechanism 40 as disclosed protects both the camera lens 23 and light source lens 33 from damage due to molten weld spatter, sparks, debris, fumes, or other hazards. It also protects the camera lens 23 and light source lens 33 from discoloration and/or obscuring caused by welding fumes or other contaminants that may result from the work of the arm 12. The flap 42 may open to allow the camera 22 to record needed images and then close during work performed by the arm 12. This protection of the camera lens 23 during work of the arm 12 ensures the camera 22 captures an accurate image of consist quality, which is crucial for the arm 12 to function properly. Furthermore, mounting the camera casing 20 and light source casing 30 parallel with respect to one another with the actuator 50 positioned between the casings 20, 30 lends the enclosure device a lower profile. Accordingly, the enclosure device 10 may be positioned closer to the distal end of the arm 12 without concern that mobility of the arm will be decreased, as the arm 12 may still work in small spaces. The enclosure device 10 may be used with any arm 12, and is not limited by whether the arm 12 is robotic or otherwise. Additionally, the enclosure device 10 may be used with a robotic arm 12 that is manipulated by an operator in real-time, or one that is controlled by a preprogrammed computer or other control device to perform a certain function given certain input values and/or conditions.

The optimal dimensions and/or configuration of the camera casing 20, camera lens 23, sealing cap(s) 24 (if present), light source casing 30, light source lens 33, flange(s) 34 (if present), shutter mechanism 40, actuator 50, plate frame 60, actuator mount 63 (if present), rear block 64 (if present), adaptor plate 66 (if present), and shutter mounting arm 68 (if present) will vary from one embodiment of the enclosure device 10 to the next, and are therefore in no way limiting to the scope thereof. The various elements of the enclosure device 10 may be formed of any material that is suitable for the application for which the enclosure device 10 is used. Such materials include but are not limited to aluminum, metal, metallic alloys, aluminum alloys, polymers, other synthetic materials, and/or combinations thereof. However, it is contemplated that in the illustrative embodiment of the enclosure device 10, the various elements will be constructed of aluminum and/or an aluminum alloy that provides the proper balance of weight and structural integrity.

Having described the preferred embodiment, other features, advantages, and/or efficiencies of the enclosure device 10 will undoubtedly occur to those versed in the art, as will numerous modifications and alterations of the disclosed embodiments and methods, all of which may be achieved without departing from the spirit and scope of the enclosure device 10. It should be noted that the enclosure device 10 is not limited to the specific embodiments pictured and described herein, but are intended to apply to all similar apparatuses for protecting a camera lens 23 and/or light source lens 33 at one time while not obscuring the line-of-sight therefore at another time. Modifications and alterations from the described embodiments will occur to those skilled in the art without departure from the spirit and scope of the enclosure device 10. 

The invention claimed is:
 1. An enclosure device comprising: a. a plate frame having an actuator aperture and first and second casing apertures; b. a rear block operatively engaged with said plate frame, wherein said rear block is configured to couple said enclosure device to an arm; c. an actuator mount affixed to said rear bock; d. a shutter mounting arm operatively engaged with said plate frame at a first end of said shutter mounting arm, wherein said shutter mounting arm extends from said plate frame in a direction opposite said rear bock; e. a camera casing positioned in said first casing aperture of said plate frame, wherein said camera casing is generally tubular, wherein said camera casing includes a camera lens at a first end of said camera casing and a sealing cap at a second end thereof; f. a light source casing positioned in said second casing aperture of said plate frame wherein said light source casing is generally tubular and substantially parallel to said camera casing, wherein said light source casing includes a light source lens at a first end of said light source casing and a sealing cap at a second end thereof; g. a translator pivotally engaged with said shutter mounting arm adjacent the distal end of said shutter mounting arm, wherein said translator includes a flap connector and an actuator connector; h. a flap substantially planar in orientation, wherein said flap is engaged with said translator at said flap connector; and i. an actuator including an actuator body and an actuator arm, wherein said actuator arm is pivotally engaged with said translator at said actuator connector, wherein said actuator body is engaged with said actuator mount, and wherein said actuator is configured to actuate said flap between a first and a second position, wherein said first and second positions are substantially perpendicular to one another.
 2. The enclosure device according to claim 1 wherein said flap is further defined as including a flap slot, wherein said flap connector passes through said flap slot, and wherein a plurality of connector blocks are engaged with said flap on either side of said flap slot.
 3. The enclosure device according to claim 2 wherein said actuator is further defined as passing through said actuator aperture in said frame plate.
 4. The enclosure device according to claim 3 wherein said sealing cap on said camera casing is further defined as including a sealing cap aperture, and wherein said sealing cap on said light source casing is further defined as including a sealing cap aperture.
 5. The enclosure device according to claim 4 wherein said enclosure device further comprises an actuator base, wherein said actuator base is affixed to said actuator mount.
 6. The enclosure device according to claim 5 wherein said camera casing and said light source casing are further defined as being parallel with respect to one another.
 7. The enclosure device according to claim 6 wherein said camera casing further comprises a first flange and wherein said light source casing further comprises a second flange, wherein said camera casing is secured to said plate frame about said first flange, and wherein said light source casing is secured to said plate frame about said second flange. 